| February 1, 2018 | Blackrock Institutional Trust Company, National Association | 0.49% | |
| January 31, 2018 | Blackrock Institutional Trust Company, National Association | 0.58% | |
| January 29, 2018 | Blackrock Institutional Trust Company, National Association | 0.64% | |
| January 24, 2018 | Blackrock Institutional Trust Company, National Association | 0.79% | |
| January 10, 2018 | Blackrock Institutional Trust Company, National Association | 0.81% | |
| December 12, 2017 | Blackrock Institutional Trust Company, National Association | 0.79% | |
| November 27, 2017 | Blackrock Institutional Trust Company, National Association | 0.80% | |
| November 24, 2017 | Blackrock Institutional Trust Company, National Association | 0.79% | |
| November 7, 2017 | Blackrock Institutional Trust Company, National Association | 0.80% | |
| October 11, 2017 | Blackrock Institutional Trust Company, National Association | 0.70% | |
| October 10, 2017 | Blackrock Institutional Trust Company, National Association | 0.69% | |
| October 6, 2017 | Blackrock Institutional Trust Company, National Association | 0.78% | |
| October 3, 2017 | Blackrock Institutional Trust Company, National Association | 0.82% | |
| September 19, 2017 | Blackrock Institutional Trust Company, National Association | 0.73% | |
| September 19, 2017 | Merian Global Investors (UK) Limited | 0.50% | September 19, 2017 |
| September 5, 2017 | Blackrock Institutional Trust Company, National Association | 0.60% | |
| September 1, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | |
| August 30, 2017 | Blackrock Institutional Trust Company, National Association | 0.67% | |
| August 14, 2017 | Blackrock Institutional Trust Company, National Association | 0.70% | |
| July 28, 2017 | Blackrock Institutional Trust Company, National Association | 0.64% | |
| July 12, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | |
| July 10, 2017 | Blackrock Institutional Trust Company, National Association | 0.61% | |
| June 23, 2017 | Blackrock Institutional Trust Company, National Association | 0.51% | |
| June 21, 2017 | Blackrock Institutional Trust Company, National Association | 0.49% | |
| May 31, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | |
| March 24, 2017 | Blackrock Institutional Trust Company, National Association | 0.63% | |
| March 13, 2017 | Blackrock Institutional Trust Company, National Association | 0.50% | |
| February 13, 2017 | Blackrock Institutional Trust Company, National Association | 0.48% | |
| February 7, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | |
| January 27, 2017 | Ibis Capital Partners LLP | 0.49% | |
| January 25, 2017 | Blackrock Institutional Trust Company, National Association | 0.60% | |
| January 13, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | |
| December 21, 2016 | Blackrock Institutional Trust Company, National Association | 0.69% | |
| December 19, 2016 | Blackrock Investment Management (UK) Limited | 0.48% | |
| November 29, 2016 | Blackrock Investment Management (UK) Limited | 0.51% | |
| November 28, 2016 | Blackrock Institutional Trust Company, National Association | 0.71% | |
| November 15, 2016 | Blackrock Investment Management (UK) Limited | 0.49% | |
| November 10, 2016 | Blackrock Institutional Trust Company, National Association | 0.60% | |
| November 10, 2016 | Blackrock Investment Management (UK) Limited | 0.50% | |
| October 10, 2016 | Blackrock Investment Management (UK) Limited | 0.49% | |
| October 4, 2016 | Blackrock Institutional Trust Company, National Association | 0.58% | |
| September 30, 2016 | Blackrock Investment Management (UK) Limited | 0.58% | |
| September 15, 2016 | Blackrock Institutional Trust Company, National Association | 0.61% | |
| September 12, 2016 | Blackrock Investment Management (UK) Limited | 0.60% | |
| September 9, 2016 | Ibis Capital Partners LLP | 0.59% | |
| September 7, 2016 | Blackrock Institutional Trust Company, National Association | 0.52% | |
| September 6, 2016 | Blackrock Investment Management (UK) Limited | 0.53% | |
| August 22, 2016 | Ibis Capital Partners LLP | 0.60% | |
| July 29, 2016 | Ibis Capital Partners LLP | 0.51% | |
| July 13, 2016 | Blackrock Investment Management (UK) Limited | 0.48% | |